About the Authors

Yong Huang

Contributed equally to this work with: Yong Huang, Xiujuan Zhang

Affiliation College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, P. R. China

Xiujuan Zhang

Contributed equally to this work with: Yong Huang, Xiujuan Zhang

Affiliation College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, P. R. China

Qian Du

Affiliation College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, P. R. China

Fengyu Wang

Affiliation College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, P. R. China

Xiaomin Zhao

Affiliation College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, P. R. China

Wenlong Zhang

Affiliation College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, P. R. China

Dewen Tong

dwtong@nwsuaf.edu.cn

Affiliation College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, P. R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YH DT. Performed the experiments: XJZ QD FW. Analyzed the data: YH XJZ. Contributed reagents/materials/analysis tools: YH XMZ WZ DT. Contributed to the writing of the manuscript: YH.